OpenTechnical

OT-2026-000086186

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086186) never changes.

Identity and time

Publication numberOT-2026-000086186 · never reused
Internal UUID01a0ae99-e82c-7c8b-ad8d-4137ed699194 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086186
StatusPUBLIC

Content hashes

Canonical text3475da0fb0079665df17b87fc057a5d8c4694b441d00aaab60e5126aa1220194
Markdown5454d00c575922305d6841f4e6c05630011f395f482dd0b9708b82e2be448273
PDF
Publication page2d28ad86891fa4ffc0325853fa2485a8916251e584370e6af96b9d64546bdf1a
Manifest7372a7f86d3cadc7bc76db6b60cb7f38050396e7519b8b282a90b8f6647701d7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7J2j4USfzLZqniaKpvZQeI0Wl3arrmn+5UzrNnUlCv0D05lTympOvkWSuH9w2/+jRjtpBdVHrtRwJSr143qTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:51.838039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086186
observed 2d28ad86891fa4ffc0325853fa2485a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.820390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086186/manifest.json
observed 7372a7f86d3cadc7bc76db6b60cb7f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.794775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086186/publication.md
observed 5454d00c575922305d6841f4e6c05630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.769075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086186/publication.txt
observed 3475da0fb0079665df17b87fc057a5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.